Search found 490 matches

by mcauser
Sun Sep 27, 2020 12:07 pm
Forum: Drivers for External Components
Topic: TCA9548A 8ch I2C Multiplexer
Replies: 0
Views: 609

TCA9548A 8ch I2C Multiplexer

Do you have a bunch of fixed I2C address devices, or exceeded your address select pin combinations? This little CJMCU I2C multiplexer module lets you spread the devices over 8 I2C channels and toggle between them. https://github.com/mcauser/micropython-tca9548a https://raw.githubusercontent.com/mcau...
by mcauser
Sun Sep 27, 2020 11:58 am
Forum: Drivers for External Components
Topic: MAX31855 Driver
Replies: 12
Views: 3641

Re: MAX31855 Driver

Deshipu's bitbucket is missing heaps of repositories, now that Atlassian has dropped mercurial support.
https://bitbucket.org/blog/sunsetting-m ... -bitbucket

Hi @deshipu, I cloned heaps of your repos, so if you've lost anything, I may have a copy that I can zip and send back.
by mcauser
Wed Sep 23, 2020 11:17 pm
Forum: Drivers for External Components
Topic: MAX44009 Ambient Light Sensor
Replies: 3
Views: 1097

Re: MAX44009 Ambient Light Sensor

Nice work! On my GY-49, I was unable to read 2 bytes starting from the lux high byte. Mine was not auto moving to the next register (lux low byte). When I readfrom_mem() multiple times on any register, it would just give me the same value repeated again and again. I couldn't just read the high byte ...
by mcauser
Wed Sep 23, 2020 8:34 am
Forum: Drivers for External Components
Topic: MAX44009 Ambient Light Sensor
Replies: 3
Views: 1097

MAX44009 Ambient Light Sensor

Working on a driver for the Maxim MAX44009 Ambient Light Sensor - used on the GY-49 module:
https://github.com/mcauser/micropython-max44009
by mcauser
Wed Sep 16, 2020 2:54 pm
Forum: Drivers for External Components
Topic: CJMCU-75 (LM75A) I2C digital temperature sensor
Replies: 0
Views: 1115

CJMCU-75 (LM75A) I2C digital temperature sensor

MicroPython library for the CJMCU-75 (NXP LM75A) I2C digital temperature sensor:
https://github.com/mcauser/micropython-lm75a

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by mcauser
Wed Sep 16, 2020 12:13 pm
Forum: Drivers for External Components
Topic: IS31fl3731 Charlie-Plexed LED Matrix
Replies: 8
Views: 3148

Re: IS31fl3731 Charlie-Plexed LED Matrix

Hey @deshipu
Your link is now 404ing: https://bitbucket.org/thesheep/micropyt ... 1fl3731.py
Are you migrating away from bitbucket?
by mcauser
Wed Sep 16, 2020 12:10 pm
Forum: Hardware Projects
Topic: Which sensor can capture blowing action?
Replies: 11
Views: 1890

Re: Which sensor can capture blowing action?

What about a sound sensor? Blowing into a microphone can be quite loud compared to background noise.
https://www.aliexpress.com/item/4000880319349.html
by mcauser
Tue Sep 08, 2020 7:13 am
Forum: Programs, Libraries and Tools
Topic: nRF24L01+ specification ?
Replies: 6
Views: 635

Re: nRF24L01+ specification ?

by mcauser
Tue Sep 08, 2020 6:28 am
Forum: Programs, Libraries and Tools
Topic: nRF24L01+ specification ?
Replies: 6
Views: 635

Re: nRF24L01+ specification ?

Looks like it was created 6 years ago by dpgeorge for use on the pyboard, which is not short of pins.
I guess those who have used the code have not contributed back support for the IRQ feature.